Is 37679821 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 37 679 821 is a prime number.
Indeed, the definition of a prime numbers is to have exactly two distinct positive divisors, 1 and itself. A number is a divisor of another number when the remainder of Euclid’s division of the second one by the first one is zero. Concerning the number 37 679 821, the only two divisors are 1 and 37 679 821. Therefore 37 679 821 is a prime number.
As a consequence, 37 679 821 is only a multiple of 1 and 37 679 821.
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Since 37679821 is a prime number, 37679821 is also a deficient number, that is to say 37679821 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 37679821 without 37679821 itself (that is 1, by definition!).